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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsConstruction and Installation Works for the Reconstruction of 110 kV Power Line 'Bliznak'
    Awarded contract

    Construction and Installation Works for the Reconstruction of 110 kV Power Line 'Bliznak'

    Awarded
    BGN 27.4m
    Published 26 Oct 2025

    This contract involves construction work for the reconstruction of the 110 kV power line 'Bliznak'. The main activities related to the reconstruction include: - Dismantling of existing phase conductors and ground wire; - Dismantling of existing steel lattice towers; - Supply and installation of new

    🇧🇬BulgariaPublished 26 Oct 2025· 11 months agoviaTED
    Awarded
    BGN 27.4m
    Published 26 Oct 2025

    Decision brief

    4 fields
    • Contract value
      BGN 27,434,632
      BGN
    • Closing date
      Not published
      No closing date published
    • Sector
      Construction
      Browse related listings
    • Location
      🇧🇬Bulgaria

    Suppliers

    1 supplier
    • EA
      EMU AD
      Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 11 months ago.

    26 October 2025
    Awarded — no open tender advertised

    Brief

    This contract involves construction work for the reconstruction of the 110 kV power line 'Bliznak'. The main activities related to the reconstruction include: - Dismantling of existing phase conductors and ground wire; - Dismantling of existing steel lattice towers; - Supply and installation of new steel lattice towers with bolted construction; - Supply and installation of new polymer insulators and fittings for conductors and lightning protection wires; - Supply and installation of new phase conductors ACO 400 and new ground wire type OPGW; - Supply and installation of new grounding systems for all new towers. This contract is part of the investment project 'Sustainable Adaptation of the National Electricity Transmission Network for Full Integration of Renewable Energy Production Potential - GREENABLER', proposed for co-financing with funds from RePowerEU.

    Track record

    5 awards · 4 winners
    Open field

    No single supplier dominates the field.

    In construction, ELECTRICITY SYSTEM OPERATOR EAD has awarded 5 contracts to 4 suppliers.

    Who wins here
    1. ESO ENGINEERING EOOD2× · 40%
    2. EMU AD1× · 20%
    3. ИМПULС КО ООД1× · 20%
    4. SOCIETY FOR ZZD 20211× · 20%

    Across construction, the most active winners are HOLCIM UK LIMITED, TARMAC TRADING LIMITED, LINDUM GROUP LIMITED — the field to beat, or your route in as a partner.

    More from ELECTRICITY SYSTEM OPERATOR EAD

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    AwardedEngineering🇧🇬Bulgaria

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    BGN 142,930ELECTRICITY SYSTEM OPERATOR EAD
    Published 21 Dec 2025
    AwardedFinancial Services🇧🇬Bulgaria

    Insurance Services for Motor Vehicles

    This public procurement contract is for providing insurance services for a duration of 48 months. The services include liability insurance for motorists, comprehensive insurance (Kasko), and accident insurance for vehicles, including motor vehicles, road vehicles, and specialized equipment owned by

    BGN 2,515,212ELECTRICITY SYSTEM OPERATOR EAD
    Published 8 Dec 2025
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    Supply of Voltage Measuring Transformers

    This contract involves the procurement of approximately 2,970 voltage measuring transformers for medium voltage applications. The breakdown of the required transformers is as follows: 30 units of 7.2 kV transformers for indoor installation, with a transformation ratio of 6000/√3:100/√3:100/√3:100/3

    est.€995,485ELECTRICITY SYSTEM OPERATOR EAD
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    AwardedConstruction🇧🇬Bulgaria

    Design and Construction Services for Electrical Networks in Bulgaria

    This contract involves the execution of author supervision and, if necessary, the execution of geodetic surveys and the preparation of executive documentation for the project "Construction of a sewer system for the "Septemvriitsi" 110/20 kV substation." The project aims to ensure proper infrastructu

    BGN 1,500ELECTRICITY SYSTEM OPERATOR EAD
    Published 5 Nov 2025

    Open in Construction

    4 open listingsView all →
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    Next Generation Low Carbon Concrete Development Programme

    Join a funded cohort programme to develop low-carbon concrete solutions with expert support and growth mentoring.

    est.£11,500,000
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    OpenConstruction🇬🇧United Kingdom

    Cardiff Closed Road Cycle Circuit - Delivery Partner Procurement

    Cardiff Council invites Delivery Partners to procure, build and operate a new £4.5m national standard cycling circuit as a legacy project for Tour de France 2027.

    £4,500,000indicativeCardiff Council
    Published 15 Oct 2026
    OpenConstruction🇬🇧United Kingdom

    Beighton Community Hub - Mental Health Centre Refurbishment

    Early market engagement for Principal Contractors interested in a health centre refurbishment project to create a Neighbourhood Mental Health Centre, with funding decision expected October 2026.

    £350,000indicativeSheffield Health Partnership University NHS Foundation Trust
    Published 15 Oct 2026
    OpenConstruction🇬🇧United Kingdom

    CCTV System Upgrade - Middlesex Street Estate

    The City of London Corporation invites preliminary market engagement from contractors for the upgrade of CCTV systems at Middlesex Street Estate, including camera replacement and installation with Building Safety Regulator compliance requirements.

    £460,000indicativeTHE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON
    Published 15 Oct 2026
    Take action
    View on sourceTED

    Award notice and full record on the publisher's site

    Publisher
    Publications Office of the European Union
    Licence
    EU 2011/833/EU + TED reuse notice
    Source
    ted.europa.eu
    Record ID
    707481-2025

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    Buyer
    ELECTRICITY SYSTEM OPERATOR EAD
    Sector
    Construction